Friction-top can.



J. M. YOUNG.

FRICTION TOP CAN;

' APPLICATION FILED JUNE 16, 1909.

Patented Mar. 31,1914.

Z W m intranet;

rice.

J OHN M. YOUNG, OF SAN IRANCISCQIjALIFORNIA, ASSIGNOR TO AMERICAN CAN COMPANY,OF NEW YORK, N. Y.,.A CORPORATION OF NEW JERSEY.

FRICTION-T01 can.

Specification'of Letters Patent.

Patented Mar. 31, 1914.

Application fil ed June is, 1909. Seria1No.502,4 2 7.

To alt whom it concern Be'it known'that I, JOHN M. YOUNG, a

.and State of California, have invented a new and useful Improvement in Friction- Top Cans, of which the following is'a specification.

My invention relates to friction top cans. The object of my invention is to provide a friction top can of a simple, fii'cientaxid durable construction, suitable for use for coffee, spices and other articles,'and which at the same time will be incapable of being opened without detection for refilling with spurious goods.

My invention consists in the means I'employ to practically accomplish this object as herein shown and described, without increasing the number of the sheet metal parts of the friction top. That is to say, it consists in connection with a can body, having an inturned flange at its upper end, of an annular top head fitting within the can body and having a reversely folded rim embracing the int-urned flange of the can body,

a friction'cover closing the opening in the annular top, and a safety seal, preferably of paste-board. or paper, extending across the friction coverand clamped between the an.- nular top and its reversely folded rim which, embraces the inturned flange of the can body and also serves as the fulcrum or pry-oil rim for levering up the friction cover. The removable friction cover and the external safety seal therefor are applied at the factory where the cans are manufactured, and the bottom head is not applied to the can body until after the can is filled with coffee, spices or other articles to be sold in the cans, the bottom thus being preferably double seamed on the filled can.

My invention also consists in the novel construction-of parts and devices and in the novel combinations of parts and devices herein shown and described and more particularly specified in the claims. In the accompanying drawing forming a larged partial sectional view and Fig. 5 is a detail, partial sectional view showing the position of the parts before the external safety seal is permanently or irremovably. secured to the can body and-can head across the friction cover.

In the drawing, 31 represents the body of a friction top can, preferably having'a' lock side scam (I, lithe annular top head, C the bottom head, Dthe friction cover and F the safety seal. preferably of. paper or pasteboard. The body A 'is'provided at its upper end with an annular inturned flange a which embraced by and between there- Yerse and substantially. fiat or horizontal folds b I) of the rim]; of the inside fitting .annular friction top head-B. The annular top head B is provided at its" inner edge with the customary depending annular friction seat wall 6 The folded seam uniting the idside fitting annular top B and formed by the can body flange (1 and flanges or folds b b and rim may, if desired, be simply a folded or bump seam, or the seam may be soldered for further tightness and security. The reversely and inwardly folded I flanges b I) of the rim of the annular top head B forms an annular groove between the upper face I) of said annular top and'the lowermost fold Z) to receive the rim or marginal edge of-the safety seal F which is thus securely clamped between saidmembers and firmly held in position so that it cannot be removed without mutilation and cannot-be replaced.

The annular top head B with the friction cover .1). firmly seated therein isfirst applied to the can body in the form shown in Fig. 5, with the seaming flange a of the can body upright 'and thefianges b b Ofthe annular top 13 also upright,.the safety seal F is then applied as shown in Fig. i and then the flanges a, b, b are turned inwardly and bumped down securely upon the safety seal F. If desired, the flanges a, b, b may be partlyturned inwardhefm'e the safety seal F is applied, as indicated by the dotted lines in Fig. 5, as the safety seal. may be readily inserted or sprung into tion with the flanges a and b '1) thus partly turned. If it is desired to solder the seam. this is preferably 'done before the mfety seal is applied, especially if the safety seal is made of paper. or other like material. After the annular top, friction cover, and 7 seal have been applied and firmly to, the an bqdlv; the can" is filled, and then end of-the, bod

The" friction Cover-f D 11515 the ,custdma ry'" 1. In i l flfict'ioll tOp can; the? cbnibinafion with a cn'n bchgbfmi a111-1111 ar t0p having a 'frlctlofu seat Wall, mfrlcitloll cover. closlng an extelnnL Safety senlof-yielding; material e xtending. across said cover and clamped at its edges betjveen aidltop head: and saidii'n :tmned flanges. of the mp1 pher eqf, substan- 

